/*
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#include <ecto/ecto.hpp>
#include <opencv2/imgproc/imgproc.hpp>

using ecto::tendrils;

namespace imgproc
{
  struct EqualizeHistogram
  {
    static void
    declare_params(tendrils& params)
    {
    }

    static void
    declare_io(const tendrils& params, tendrils& in, tendrils& out)
    {
      in.declare(&EqualizeHistogram::input_image_, "image", "Image to equalize. If 3 channels, it is firsT converted to HSV and only V is equalized");
      out.declare(&EqualizeHistogram::output_image_, "image", "Debug image");
    }

    int
    process(const tendrils& in, const tendrils& out)
    {
      if (input_image_->channels() == 3)
      {
        // Convert to HSV
        cv::Mat new_color_image, equalized_new_color_image;
        cv::cvtColor(*input_image_, new_color_image, CV_RGB2HSV);

        std::vector<cv::Mat> channels(3);
        cv::split(new_color_image, channels);
        cv::equalizeHist(channels[2], channels[2]);
        cv::merge(channels, equalized_new_color_image);

        cv::cvtColor(equalized_new_color_image, *output_image_, CV_HSV2RGB);
      }
      else
        cv::equalizeHist(*input_image_, *output_image_);

      return ecto::OK;
    }

    ecto::spore<cv::Mat> input_image_;
    ecto::spore<cv::Mat> output_image_;
  };
}

ECTO_CELL(imgproc, imgproc::EqualizeHistogram, "EqualizeHistogram", "...");
